Home / 12,097,780.42-18,146,688.44-9,235,399.62

Finding the Fourth Proportional to 12,097,780.42, 18,146,688.44 and 9,235,399.62

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Solution

The fourth proportional to 12,097,780.42, 18,146,688.44 and 9,235,399.62 is: 13,853,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,780.42 : 18,146,688.44 = 9,235,399.62 : x
  2. Step 2: Convert to fraction form
    12,097,780.42/18,146,688.44 = 9,235,399.62/x
  3. Step 3: Cross multiply
    12,097,780.42x = 18,146,688.44 × 9,235,399.62
  4. Step 4: Simplify right side
    12,097,780.42x = 167,591,919,476,857.38
  5. Step 5: Solve for x
    x = 167,591,919,476,857.38/12,097,780.42
  6. Step 6: Final answer
    x = 13,853,113.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.